Networks in San Marino

10 autonomous systems are registered in San Marino (SM). Together they announce 37,888 IPv4 addresses, <0.01% of the announced total, which ranks San Marino #189 of 240 countries.

Autonomous systems1010 announce IPv4

IPv4 addresses37,888<0.01% of announced IPv4 · #189 worldwide

Top 5 networks hold92.6%of San Marino's IPv4 space

IPv64 x /481 of 10 networks (10%) announce IPv6

Small networks3announce a single /24 (256 addresses) or less

Look up AS15433, the largest network in SM Look up any IP or ASN

All 10 networks in San Marino by IPv4 space

#ASNNetworkIPv4 addressesOf SM

1 AS15433 Tism Telecom Italia San Marino S.p.A 20,224 53.38%

2 AS39759 Passepartout Passepartout s.p.a. 7,424 19.59%

3 AS48345 AS-ABAVIA Abavia S.r.l. 3,328 8.78%

4 AS196874 TELENET-RSM Telenet S.r.l. 3,072 8.11%

5 AS34468 sm-ssis S.P.A. Societa' Servizi Informatici Sammarinesi - S.S.I.S. 1,024 2.70%

6 AS199325 SEMPLIFY Semplify Srl 1,024 2.70%

7 AS201852 BLUINDACO-AS Bluindaco S.R.L. 1,024 2.70%

8 AS212841 SM-AASS A.A.S.S. Azienda Autonoma di Stato per i Servizi Pubblici 256 0.68%

9 AS213557 Underscore Underscore S.r.l. 256 0.68%

10 AS215511 SA-CONSULTING-SPA-SORG Underscore S.r.l. 256 0.68%

Countries of similar size

#186 Saint Lucia #187 Marshall Islands #188 Northern Mariana Islands #190 Sint Maarten #191 Niger #192 Greenland All countries

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources